/* CSS 样式 */
body {
    font-family: Arial, sans-serif;
    margin: 20px;
}
.form-group {
    margin-bottom: 15px;
}
label {
    display: block;
    margin-bottom: 5px;
}
input[type="text"], input[type="tel"], textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}
input[type="text"]:focus, input[type="tel"]:focus, textarea:focus {
    border-color: red;
    outline: none;
}
textarea {
    height: 100px;
    resize: vertical;
}
.radio-group {
    margin-top: 5px;
}
.radio-option {
    display: inline-block;
    margin-right: 15px;
}
.submit-btn {
    background-color: #0095ff;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}
.submit-btn:hover {
    background-color: #0077cc;
}